Reply To: Resizing UU-2 main jets

[Mark Wetherbee]

Shafts have surprisingly little wear, and every plug came out after the second bath in the cleaner. Someone suggested that the ultrasonic vibrations would help loosen screws as it cleaned the passages, could not believe how easy it was to clean the front wheel bearings with it either. Definitely worth the investment.

Tank was cleaned out and sealed by Milton Schilde and it’s running an electric pump with filter now as I don’t think the fuel pump has the correct arm for a Pierce – at least it doesn’t seem to be running on the cam like it should be and it doesn’t look like it was ever hooked up to a fuel line. The carburetor was also hooked up with rubber hoses which is a huge No-No right next to a manifold! Another thing to correct along this adventure.

Took the valve covers off this morning and have been scraping oil turds out most of today. Funny thing that other than that usual crust of crud everywhere, the working parts look pretty good so far, but I haven’t written off a set of valves quite yet and rings are looking like a must with what I saw in the borescope. Might be a while before She is trustworthy, but I don’t have anything better to do with my time right now so back to scraping muck out…

If you happen to have a picture of the correct fuel pump it would help me see if this is worth rebuilding or just blocking off.

Thanks again